NP2CHJ
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
4 reports on file, 2014-05-09 – 2015-08-28.
Part: BOLT — CRACKED (TRANSMISSION) · airframe 23,416 hrs
CREW REPORTED FAILED BOLTED JOINT INSPECTION. WHEN DISASSEMBLED IT WAS DISCOVERED THERE WERE 2 BROKEN BOLTS AND SEVERE SCUFFING ON SPIRAL BEVEL RING GEAR AND SPIRAL BEVEL PINION GEAR. THE FIRST STAGE SUN GEAR HAD ONE SPALLED GEAR TOOTH CAUSING COMPLETE DISASSEMBLY OF THE TRANSMISSION.
Part: BOLT — CRACKED (AFT TRASMISSION) · airframe 23,548 hrs
DURING DISASSEMBLY OF COMPONENT IT WAS NOTICED THERE IS SEVERE SCUFFING ON BOTH THE SPIRAL BEVEL RING GEAR AND THE SPIRAL BEVEL PINION GEAR. AT DISASSEMBLY, 2 BOLTS WERE FOUND CRACKED AFTER FAILING TORQUE CHECK ON WING. THIS BOLTED JOINT HAS NOT HAD THE UPDATED TORQUE APPLIED SINCE ITS LAST SHOP VISIT.
Part: BOLT — CRACKED (ZONE 400) · airframe 23,548 hrs
ENGINEERING DEPARTMENT, THE THEN CURRENT BOLTS WERE REPLACED WITH PREVIOUS FASTENERS. IN THE INTERVENING 5 MONTHS, NO FURTHER ERRORS HAVE BEEN DETECTED. THESE ASSEMBLIES ARE INSPECTED AT 50 HR. INTERVALS IAW SB 234-63-0001 R0.
Part: IMPELLER — DAMAGED (ENGINE) · airframe 22,012 hrs
CREW REMOVED ENGINE FOR FAILURE TO PASS POWER ASSURANCE. HOT END OF ENGINE WAS REMOVED AND PLASMA SPRAY WAS NOTED COMING FROM AIR DIFFUSER. EXCESSIVE DAMAGE WAS OBSERVED THROUGHOUT GP SECTION INCLUDING BURNING OF SECOND STAGE NOZZLE AND LOSS OF MULTIPLE FIRST STAGE TURBINE BLADES. WHEN LOWER COMPRESSOR CASE WAS REMOVED, TECH OBSERVED THAT THE PLASMA REPAIRED AREA WAS MISSING AND THE COMPRESSOR IMPELLER WAS DAMAGED BEYOND REPAIR.